222232320000 has 720 divisors, whose sum is σ = 814234861440. Its totient is φ = 58368000000.

The previous prime is 222232319999. The next prime is 222232320001. The reversal of 222232320000 is 23232222.

It is an interprime number because it is at equal distance from previous prime (222232319999) and next prime (222232320001).

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222232320001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1163519905 + ... + 1163520095.

It is an arithmetic number, because the mean of its divisors is an integer number (1130881752).

Almost surely, 2^222232320000 is an apocalyptic number.

222232320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222232320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407117430720).

222232320000 is an abundant number, since it is smaller than the sum of its proper divisors (592002541440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222232320000 is a wasteful number, since it uses less digits than its factorization.

222232320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 222232320000 its reverse (23232222), we get a palindrome (222255552222).

The spelling of 222232320000 in words is "two hundred twenty-two billion, two hundred thirty-two million, three hundred twenty thousand".